Closed odan closed 5 years ago
The identifier for a PBM HDR image is either "PF" or "Pf" depending on whether it is r,g,b or grey scale.
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PBM Portable Bit Map (HDR)
Identification
The identifier for a PBM HDR image is either "PF" or "Pf" depending on whether it is r,g,b or grey scale.